Home / 1,165,057.02-1,607,393.16-681,279.39

Finding the Fourth Proportional to 1,165,057.02, 1,607,393.16 and 681,279.39

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Solution

The fourth proportional to 1,165,057.02, 1,607,393.16 and 681,279.39 is: 939,940.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,057.02 : 1,607,393.16 = 681,279.39 : x
  2. Step 2: Convert to fraction form
    1,165,057.02/1,607,393.16 = 681,279.39/x
  3. Step 3: Cross multiply
    1,165,057.02x = 1,607,393.16 × 681,279.39
  4. Step 4: Simplify right side
    1,165,057.02x = 1,095,083,831,534.97
  5. Step 5: Solve for x
    x = 1,095,083,831,534.97/1,165,057.02
  6. Step 6: Final answer
    x = 939,940.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.